<template>
  <view v-if="goods_info.goods_name" class = "goods-detail-comtainer">
    <!--轮播图-->
     <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" circular="true">
       <swiper-item v-for = "(item,i) in goods_info.pics" :key = 'i'>
         <!--轮播图大图预览-->
         <image :src = "item.pics_big" @click="preview(i)"></image>
       </swiper-item>
     </swiper>
     <!--商品信息区域-->
     <view class = "goods-info-box">
     <!--商品价格-->
        <view class="price">￥{{goods_info.goods_price}}</view>
     <!--商品信息主题区域-->
        <view class= "goods-info-body">
            <!--商品的名字-->
            <view class= "goods-name">
              {{goods_info.goods_name}}
            </view>
            <view class="favi">
              <uni-icons type="star" size = "18" color = "gray"></uni-icons>
              <text>收藏</text>
            </view>
        </view>        
     <!--运费-->
     <view class = "yf">快递，免运费</view>
     </view>
     <rich-text :nodes="goods_info.goods_introduce"></rich-text>
     
     <view class = "goods_nav">
            <uni-goods-nav :fill="true"  :options="options" :buttonGroup="buttonGroup"  @click="onClick" @buttonClick="buttonClick" /> 
     </view>
  </view>
</template>

<script>
  import {mapState,mapMutations,mapGetters} from 'vuex'
  
  export default {
    computed:{
      ...mapState('m_cart',[]),
      ...mapGetters('m_cart',['total'])
    },
    watch:{
      total:{
        handler(newVal){
          const findResult = this.options.find(x => x.text === '购物车')
          if(findResult){
            findResult.info = newVal
          }
        },
        immediate :true
      }
      
    },
    data() {
      return {
         goods_info:{
           
         },
          options: [{
                     icon: 'shop',
                     text: '店铺',
                     //info: 2,
                     infoBackgroundColor:'#007aff',
                     infoColor:"red"
                 }, {
                     icon: 'cart',
                     text: '购物车',
                     info: 0
                 }],
                 buttonGroup: [{
                   text: '加入购物车',
                   backgroundColor: '#ff0000',
                   color: '#fff'
                 },
                 {
                   text: '立即购买',
                   backgroundColor: '#ffa200',
                   color: '#fff'
                 }
                 ]
      };
    },
    onLoad(options) {
      const goods_id = options.goods_id
      this.getGoodsDetail(goods_id)
    },
    methods:{
      ...mapMutations('m_cart',['addToCart']),
      
      async getGoodsDetail(goods_id){
        const { data: res } = await uni.$http.get('/api/public/v1/goods/detail',{goods_id})
        console.log(uni.$http.baseUrl)
        if(res.meta.status !== 200) return uni.$showMsg()
      res.message.goods_introduce =  res.message.goods_introduce.replace(/<img /g,'<img style= "display:block;"').replace(/webp/g,'jpg')
        this.goods_info = res.message
      },
      preview(i) {
        uni.previewImage({
          current: i,
          urls:this.goods_info.pics.map(x => x.pics_big)
        })
      },
      onClick(e) {
         if(e.content.text === '购物车'){
           uni.switchTab({
             url:'/pages/cart/cart'
           })
         }
      },
      buttonClick(e){
        if(e.content.text === '加入购物车'){
          //组织商品的信息对象
          //{goods_id, goods_name, goods_price, goods_count, goods_small_logo, goods_state} 
          const goods = {
            goods_id: this.goods_info.goods_id,
            goods_name: this.goods_info.goods_name,
            goods_price: this.goods_info.goods_price,
            goods_count: 1,
            goods_small_logo: this.goods_info.goods_small_logo,
            goods_state:true 
          }
          this.addToCart(goods)
        }
      }
    }
  }
</script>

<style lang="scss">
swiper {
      height: 750rpx;
      image {
         width :100%;
         height :100%
      }
    }
    
    .goods-info-box{
      padding: 10px;
      padding-right: 0;
      .price{
        color:#C00000;
        font-size: 18px;
        margin: 10px 0;
      }
      .goods-info-body{
        display: flex;
        justify-content: space-between;
         .goods-name{
           font-size: 13px;
           margin-right: 10px;
         }
         .favi{
           width: 120px;
           font-size: 12px;
           display: flex;
           flex-direction: column;
           align-items: center;
           justify-content: center;
           border-left: 1px solid #efefef;
           color: gray;
         }
      }
      .yf {
        font-size: 12px;
        color : gray;
        margin:10px 0;
      }
    }
    .goods_nav {
      position : fixed;
      bottom: 0;
      width: 100%;
    }
    
    .goods-detail-comtainer {
      padding-bottom: 50px;
    }
</style>
